Just in case anyone has a similar issue (though that's doubtful, since it turned out to be a stupidly simple fix) here was my problem. My function wasn't returning anything and should have looked more like this: fader = Timer.Interpolator(3,function(frac,a) alphacolor = frac*a return frac*a end) Tha...

I have a small question about the documentation (and related quoted post) Timer.Interpolator() behaves differently Instead of returning <status>, <function values> it now returns the function values if the interpolation is still going on or nil , if the interpolation has finished. This may result in...